Finding the Fourth Proportional to 804,536,396.90, 1,206,804,595.35 and 287,550,592.10
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Solution
The fourth proportional to 804,536,396.90, 1,206,804,595.35 and 287,550,592.10 is: 431,325,888.15
Step by Step Solution
- Step 1: Write the proportion equation
804,536,396.90 : 1,206,804,595.35 = 287,550,592.10 : x - Step 2: Convert to fraction form
804,536,396.90/1,206,804,595.35 = 287,550,592.10/x - Step 3: Cross multiply
804,536,396.90x = 1,206,804,595.35 × 287,550,592.10 - Step 4: Simplify right side
804,536,396.90x = 347,017,375,941,893,440 - Step 5: Solve for x
x = 347,017,375,941,893,440/804,536,396.90 - Step 6: Final answer
x = 431,325,888.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.